remove dead links from README

README.md

@@ -17,8 +17,6 @@
 # GROWI
 
 [![Actions Status](https://github.com/weseek/growi/workflows/Node%20CI/badge.svg)](https://github.com/weseek/growi/actions)
-[![dependencies status](https://david-dm.org/weseek/growi.svg)](https://david-dm.org/weseek/growi)
-[![devDependencies Status](https://david-dm.org/weseek/growi/dev-status.svg)](https://david-dm.org/weseek/growi?type=dev)
 [![docker pulls](https://img.shields.io/docker/pulls/weseek/growi.svg)](https://hub.docker.com/r/weseek/growi/)
 
 |                                                     demonstration                                                     |

README_JP.md

@@ -16,8 +16,6 @@
 # GROWI
 
 [![Actions Status](https://github.com/weseek/growi/workflows/Node%20CI/badge.svg)](https://github.com/weseek/growi/actions)
-[![dependencies status](https://david-dm.org/weseek/growi.svg)](https://david-dm.org/weseek/growi)
-[![devDependencies Status](https://david-dm.org/weseek/growi/dev-status.svg)](https://david-dm.org/weseek/growi?type=dev)
 [![docker pulls](https://img.shields.io/docker/pulls/weseek/growi.svg)](https://hub.docker.com/r/weseek/growi/)
 
 |                                                　デモンストレーション                                                 |